The audio below is as received by USA-Satcom via S-Band on either 2287.5 or 2217.5 MHz. The modulation was mostly BPSK @ 1.152Mbps and sometimes a half-rate mode. All demodulation, decoding and audio processing was done by r00t. A 1.2m offset dish with precision tracking was used to received the signals. Additional Shuttle audio is available from other monitoring stations around the world are available at

STS-131 Mission Patch

STS-131 Mission Patch

20100407 @1357z SG2:

20100409 @1138z SG1:

20100413 @1001z SG1:

20100414 @1024z SG2:

20100417 @1449z SG1:

20100418 @1512z SG2:

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